Alfa-Romeo 166 Top Speed: The Alfa-Romeo 166 3.2 V6 04-05 - [1999] has a top speed of 152 mph (244.6 kph) Alfa-Romeo 166 Acceleration: This 166 accelerates 0-60mph (96.6 kph) in 7.2 seconds or 0-100kph in 7.4 and can achieve an estimated 1/4 mile drag time in 14.89 seconds with a trap speed of 91.9 mph.